Mel Brooks and his son Max have joined forces to create a coronavirus PSA that’s funny, sweet, and informative. Who would expect anything else? Watch the video below, which was posted to Max Brooks’ Twitter account:

Max happens to be knowledgeable on pandemics — he’s the writer of zombie apocalypse novel-turned-movie World War Z. While this situation may not be as dire, the 50-second clip spells out the main reason for “social distancing,” a practice Americans are being encouraged to implement into their daily lives. It’s not because the virus poses a threat to young, healthy people, but rather because those people have the ability to pass it to those who can’t fight it off as easily.

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Max is 47 years old, but Mel is 93. As Mel is in the most at-risk demographic for COVID-19, Max is doing his part to keep Mel from getting infected. In the video, this is done by the use of a sliding glass door. It’s light and humorous, but it also makes a lot of sense. “If I get the coronavirus, I’ll probably be okay. But if I give it to him,” Max says, pointing at Mel behind the glass, “he could give it to Carl Reiner, who could give it to Dick Van Dyke, and before I know it, I’ve wiped out a whole generation of comedic legends.”

The video ends with Mel knocking on the glass, telling his son to go home before waving at the camera. In under a minute, the father-son duo have made their point in a charming effective manner.

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